#pragma once

#include <iostream>
#include <string>
#include <fstream>
#include <unordered_map>
#include "InetAddr.hpp"
#include "Log.hpp"

const std::string defaultdict = "./dictionary.txt";
const std::string sep = ": ";

using namespace LogModule;

class Dict
{
public:
    Dict(const std::string &path = defaultdict)
        : _dict_path(path) 
    {};

    // 将字典内容装载到 map 中
    bool LoadDict()
    {
        std::ifstream in(_dict_path);
        if(!in.is_open())
        {
            LOG(LogLevel::DEBUG) << "打开字典: " << _dict_path << " 错误";
            return false;
        }

        std::string line;
        while(getline(in, line))
        {
            auto pos = line.find(sep);
            if(pos == std::string::npos)
            {
                LOG(LogLevel::WARNING) << "解析" << line << "失败！";
                continue; // 继续解析其他行
            }

            std::string english = line.substr(0, pos);
            std::string chinese = line.substr(pos + sep.size());

            if(english.empty() || chinese.empty())
            {
                LOG(LogLevel::WARNING) << "没有有效内容:" << line;
                continue;
            }

            _dict.insert(std::make_pair(english, chinese));
            LOG(LogLevel::DEBUG) << "加载" << line;
        }

        in.close(); 
        return true;
    }

    // 翻译
    std::string Translate(const std::string &word, InetAddr &client)
    {
        auto iter = _dict.find(word); 
        if(iter == _dict.end())
        {
            // 没有找到打印 None
            LOG(LogLevel::DEBUG) << "进入了翻译模块, [" << client.Ip() << " : " << client.Port() << "]# " << word << "->None";
            return "None";
        }

        // 找到了打印翻译结果
        LOG(LogLevel::DEBUG) << "进入了翻译模块, [" << client.Ip() << " : " << client.Port() << "]# " << word << "->" << iter->second;
        return iter->second;
    }

    ~Dict()
    {
        _dict.clear();
    }
private:
    std::string _dict_path;
    std::unordered_map<std::string, std::string> _dict;
};